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Wyszukujesz frazę "Męciński, W." wg kryterium: Autor


Wyświetlanie 1-5 z 5
Tytuł:
An experimental study on transducer for the DDS technology demonstrator
Autorzy:
Elminowicz, A.
Lis, W.
Męciński, W.
Powiązania:
https://bibliotekanauki.pl/articles/332550.pdf
Data publikacji:
2009
Wydawca:
Polskie Towarzystwo Akustyczne
Tematy:
transducer
DDS technology
sonar
Opis:
R&D MTC has began designing and building the next generation wideband Diver Detection Sonar (DDS, with cylindrical multielement piezocomposite transducer. The paper will focus on key features of DDS technology demonstrator, with special attention on technologies of the transducer. The new transducer is designed at the cooperation with the producer of the transducer - Materials Systems Inc. (Littleton, USA), remainder hardware and software solutions are designed in R&D MTC. In this article specific theoretical and technological principles of the wideband cylindrical piezocomposite transducer will be presented. The implementation of the transducer to the wideband Diver Detection Sonar (DDS) will be described. The results of transducer measurements, transmitter modules, matching circuits modeling and examples of application will be also presented.
Źródło:
Hydroacoustics; 2009, 12; 45-52
1642-1817
Pojawia się w:
Hydroacoustics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wideband, modular Diver Detection Sonar (DDS)
Autorzy:
Elminowicz, A.
Męciński, W.
Okuniewski, M.
Powiązania:
https://bibliotekanauki.pl/articles/331870.pdf
Data publikacji:
2010
Wydawca:
Polskie Towarzystwo Akustyczne
Opis:
The complete protection of naval harbours, port approaches and anchorages requires the underwater continuous monitoring and threat detection such as divers, their delivery vehicles or AUVs from safe distances. R&D Marine Technology Centre (CTM) has began designing and building of the new generation, modular, wideband Diver Detection Sonar (DDS), based on cylindrical multielement piezocomposite transducer made by Materials Systems Inc. (Littleton, USA). The paper describes key features of the DDS technology demonstrator and specific technological principles of the sonar construction. The first DDS harbour trials are planned take place during May 2010.
Źródło:
Hydroacoustics; 2010, 13; 75-82
1642-1817
Pojawia się w:
Hydroacoustics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Sonar with electronically steered transmitted beam
Autorzy:
Elminowicz, A.
Janowski, T.
Męciński, W.
Powiązania:
https://bibliotekanauki.pl/articles/332272.pdf
Data publikacji:
1997
Wydawca:
Polskie Towarzystwo Akustyczne
Opis:
The ahead looking sonar with 60° sector profected by multielement cylindrical array and analog beamforming technique used multielement linear array for selecting 4° x 15 beams is presented. The aim of this paper is to study the pattern directivity of the linear multielement receiving transducer of the sonar SHL-1OOM for application to electronically steered beam profector. This paper presents the result of the computer aided calculations of the beam patterns as the function of the weighting excitation parameters and damaged elements for steered linear array.
Źródło:
Hydroacoustics; 1997, 1; 227-230
1642-1817
Pojawia się w:
Hydroacoustics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Simulation of the time - spatial filtration algorithm by 2d FFT expanded method and its properties
Autorzy:
Janowski, T
Kotłowski, A.
Męciński, W.
Okuniewski, M.
Powiązania:
https://bibliotekanauki.pl/articles/331969.pdf
Data publikacji:
2003
Wydawca:
Polskie Towarzystwo Akustyczne
Tematy:
spatial filtration algorithm
acoustics
Opis:
The article presents the simulation results of the time-spatial matched filtration algorithm in detail described in [1]. The features of the algorithm are presented on figures of the realized simulations. Firstly, the simulation results in case of jar field are described. Successively the realizability of different filtrations types within algorithms is presented. Next the possibility of the algorithm adaptation to nearfield is shown. The last of the presented properties are possibilities of the directions of arrival choice.
Źródło:
Hydroacoustics; 2003, 6; 229-234
1642-1817
Pojawia się w:
Hydroacoustics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
SHL-101/T SONAR - results of the harbour and sea trials
Autorzy:
Kotłowski, A.
Męciński, W.
Okuniewski, M,
Prosińska, E.
Zając, R.
Powiązania:
https://bibliotekanauki.pl/articles/331555.pdf
Data publikacji:
2008
Wydawca:
Polskie Towarzystwo Akustyczne
Tematy:
SHL-101/T Sonar
sonars
hydroacoustic
Opis:
The safeguard of seaways, naval basis, harbours and sea frontiers from minefields, attackers, gun-running is essential in hazardous nowadays. Particularly modern sea mines sometimes buried and make in stealth technology are very difficult to detect. Therefore the echo-ranging detection systems require state-of-the-art hardware and efficient processing algorithms to protect sea areas. Such up-to-date hydroacoustic equipment was developed by R&D Marine Technology Centre. The SHL-101/T system is the triple frequency, wideband and very high resolution hull-mounted minehunting sonar. It was put into service to Polish Navy minesweeper on April 2007. Sonar underwent factory, harbour and sea acceptance trials. Presently Polish Navy carries out further exploitation and military tests. The results are remarkable and they enable to explore mysteries of the sunken objects in the Gdansk Gulf. The paper presents the results of SHL-101/T sonar harbour and sea trials. Its performances for different detection and classification modes are also depicted. Additionally displays of the found various underwater objects are included and detailed discussed.
Źródło:
Hydroacoustics; 2008, 11; 139-148
1642-1817
Pojawia się w:
Hydroacoustics
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-5 z 5

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